The Mexican Navy has emerged as the leading force in Mexico battling the drug cartels. On Monday, it managed to kill the leader of the Zetas drug cartel, without even knowing it. They didn't realize who they had until the cartel snatched the body back — out of a Mexican morgue.

As the Mexican Navy tries to explain how the corpse of a top druglord it killed was later stolen by gunmen, we focus on a different question: what's the Navy doing fighting druglords in the first place?

As the Mexican Navy tries to explain how the corpse of a top druglord it killed was later stolen by gunmen, we focus on a different question: what's the Navy doing fighting druglords in the first place?

The Mexican Navy has emerged as the leading force in Mexico battling the drug cartels. On Monday, it managed to kill the leader of the Zetas drug cartel, without even knowing it. They didn't realize who they had until the cartel snatched the body back — out of a Mexican morgue.